p-I-Phenylene diamine1,4-diaminobenzene

Ikristalu emhlophe. Iphenduka ibe nsundu ekukhanyeni. Iphenduka ibe nsomi emoyeni. Iphuzu lokuncibilika 140℃. Iphuzu lokubila 267℃. Ingancibilikiswa. Incibilika kancane emanzini abandayo, incibilika ku-ethanol, i-ether, i-chloroform kanye ne-benzene. Isabela nama-inorganic acids ukuze yakhe usawoti oncibilika kalula emanzini. Isetshenziswa ekwenziweni kwamadayi e-azo kanye namadayi esibabule, njll., futhi isetshenziswa njengamadayi oboya (i-Fur Black D, i-Ursol D noma i-Fur Black D, i-Ursol D noma i-Fur Black D) kanye nezinto ezisakhayo. Lo mkhiqizo ungowesigaba sesi-3 sezinto ezibangela umdlavuza. Ukhiqizwa ngokunciphisa i-p-nitroaniline.

Indlela yokukhiqiza

Itholakala ngokunciphisa i-p-nitroaniline ne-iron powder endaweni ene-acidic. Faka i-iron powder ku-hydrochloric acid, uyishise ibe ngu-90°C, bese ufaka i-p-nitroaniline ngenkathi uvuselela. Ngemva kokufaka sekuqediwe, phendula ku-95-100°C amahora angu-0.5, bese ufaka i-hydrochloric acid egxilile ukuze uqedele ukusabela kokunciphisa kwe-Chemicalbook. Ngemva kokupholisa, susa i-sodium carbonate egcwalisiwe ibe yi-pH 7-8, ubilise bese uhlunga ngenkathi kushisa, bese ugeza ikhekhe lokuhlunga ngamanzi ashisayo. Hlanganisa i-filtrate kanye noketshezi lokuwasha, gxila ngaphansi kwengcindezi encishisiwe, qinisa ngokupholisa noma uhlanze ngaphansi kwengcindezi encishisiwe ukuze uthole i-p-phenylenediamine enesivuno esingu-95%.

Izakhiwo zamakhemikhali

Igama lesiShayina: i-p-Phenylenediamine
Igama langaphandle: i-p-Phenylenediamine
Ifomula yamakhemikhali: C6H8N2
Isisindo sama-molecule: 108.14
Inombolo yokubhalisa ye-CAS: 106-50-3
Iphuzu lokuncibilika: 139 ℃
ukubukeka: Amakristalu amhlophe kuya ku-lavender

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